The MOD function in Microsoft Excel lets you work out whether one number is divisible by another. If it's not, it tells you what's left over. For example, if you divide 3 by 2, the MOD function will ...

Have you ever opened your spreadsheet only to find your carefully typed numbers missing their decimals, or worse, transformed into something like 2.95E+07? If yes, you’ve seen the downside of relying ...